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First you fall for that stunning appearance. The unique sparkle and vibrant colours. You find yourself instantly falling in love, with a ring! But then comes the size. The right ring size is an important issue with vintage jewellery; after all, there is only one of each ring. Fortunately, determining the right ring size is quite simple and easy to do yourself at home. Based on the ways below, you'll know your ring size in seconds.
Example: If the diameter of the inside of the ring is 16 millimetres, then your ring size is 16.
Example: If the measured circumference of your ring finger is 50 millimetres, your ring size is 16.
Use an app 'Ring Sizer' from the App Store on your iPhone.
• Cut out a strip of paper about 10 cm long (preferably as thin as possible)
• Fold the strip around the knuckle of your finger (this is the widest part of your finger)
• Draw a line on the strip where the two meet
• Measure the length of the piece of paper.
• Use the table to determine your size.
• Place an already well-fitting ring on a ruler.
• Measure the inside diameter of the ring with a ruler.
• Use the table to determine your size.
EU ring size | Circumference of finger in mm | Diameter in mm | US ring size | UK ring size | Inches |
14 | 44 mm | 13.7 mm | 3 | F | 0.554 |
14.5 | 46 mm | 14.6 mm | 3 ¾ | G 1/2 | 0.578 |
15 | 47 mm | 14.7 mm | 4 | H 1/2 | 0.594 |
15.5 | 49 mm | 15.5 mm | 4 ¾ | J | 0.61 |
16 | 50 mm | 15.9 mm | 5 ¼ | K | 0.626 |
16.5 | 52 mm | 16.6 mm | 6 | L 1/2 | 0.65 |
17 | 53 mm | 16.9 mm | 6 ¼ | M 1/2 | 0.666 |
17.5 | 55 mm | 17.5 mm | 7 ¼ | O | 0.69 |
18 | 56 mm | 17.8 mm | 7 ½ | P | 0.706 |
18.5 | 58 mm | 18.3 mm | 8 ¼ | Q 1/2 | 0.722 |
19 | 59 mm | 18.6 mm | 8 ¾ | R | 0.738 |
19.5 | 61 mm | 19.4 mm | 9 ½ | T | 0.77 |
20 | 62 mm | 19.5 mm | 10 | T 1/2 | 0.778 |
20.5 | 64 mm | 20.3 mm | 10 ¾ | V | 0.81 |
21 | 66 mm | 21.1 mm | 11 ½ | X | 0.834 |
By the way, good to know: Almost all vintage rings from the collection can be adjusted to size by our goldsmiths Mirjam and Wim. Please contact us for more information. Ring sizes can be measured and indicated in different ways. This can be confusing, but by being consistent in your own measurement method you can always find the right size for yourself.